[ADD] explained working in detail.

README.md

@@ -22,6 +22,22 @@ for f in ~/Desktop/calamares.desktop; do chmod +x "$f"; gio set -t string "$f" m
 rm ~/xed.dconf ~/.config/autostart/set_once_xfce4.desktop ~/set_once_xfce4.sh 
 ```
 
+**xed.dconf**
+```bash
+[org/x/editor/preferences/editor]
+bracket-matching=false
+display-line-numbers=true
+prefer-dark-theme=true
+scheme='cobalt'
+wrap-mode='none'
+```
+
+- This script when executed will load the xed text editor's configuration from [*xed.dconf*](https://github.com/tcet-opensource/tcet-linux-set-once/blob/main/etc/skel/xed.dconf).These configurations include things like line count , theme , etc.
+
+- It will mark *calamares.desktop* as a trusted file by adding its sha256sum to the *calamares.desktop's* metadata.
+
+- And finally it will remove the dconf file and .desktop from their locations.
+
 ## Credits
 
 We would like to give our sincere thanks to the [*EOS Project*](https://github.com/endeavouros-team) . This package was inspired by a package similar to one made by Endeavour OS.